Height(cm)
160
161
162
163
164
165
No. of players
4
6
3
7
8
9
the table shows the height of 37 players of a basketball team calculates correct to one decimal place the mean height of the players.
A
163.0
B
162.0
C
160.0
D
165.0
Verified Correct Answer: A.
Step-by-Step Mathematical Solution
∑fx = (160 * 4) + (161 * 6) + (162 * 3) + (163 * 7) + (164 * 8) + (165 * 9)
=640 + 966 + 486 + 1,141 + 1,312 + 1,485
= 6,030
∑f = 4 + 6 + 3 + 7 + 8 + 9
= 37
= \(\frac{∑fx}{∑f}\)
= \(\frac{6030}{37}\)
= 162.97 or 163
Source: WAEC / JAMB / NECO Classroom Archive (Record #61430)